<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <div id="main" style="width: 600px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
// 导入echarts
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
  name: 'Report',
  data() {
    return {
      // 需要合并的数据
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created() {
  },
  // 此时，页面上的元素，已经被渲染完毕了
  async mounted(){
  //3.初始化
  var chartDom = document.getElementById('main');
  var myChart = echarts.init(chartDom)
    const {data:res} =  await  this.$http.get('reports/type/1')
    console.log(res.data);
    if(res.meta.status!==200){
      return this,$message.error('获取失败')
    }
      //4.准备数据和配置项
      const result=_.merge(res.data,this.options)
      //5.展示数据
      myChart.setOption(res.data)
    },
  methods: {
  }
}
</script>

<style lang="less" scoped>

</style>